PBX is alive and kicking

PBX stands for "Private Branch Exchange"—a term from the traditional telephony world where customers received telephone lines and needed a device on their premises that connects those lines to handsets.

ISBN-10 : |

Tags: Windows (1), Linux (1), VOIP (1), IP-PBX (1), SIP (1), NAT (1), SRTP (1), TLS (1)

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